﻿lastScrollY = 0;
function heartBeat() {
    var diffY;
    if (document.documentElement && document.documentElement.scrollTop) {
        diffY = document.documentElement.scrollTop;
    }
    else if (document.body) {
        diffY = document.body.scrollTop;
    }
    else { }
    percent = .1 * (diffY - lastScrollY);
    if (percent > 0) { percent = Math.ceil(percent); }

    else { percent = Math.floor(percent); }
    alert(document.getElementById("toolbarContainer").style.bottom);
    document.getElementById("toolbarContainer").style.bottom = percent + "px";

    lastScrollY = lastScrollY + percent;
}
window.setInterval("heartBeat()", 1);